FEDERALItem 8.01 · voluntaryMalwareTelecom & MediaInformationRansomwareData EncryptedData ExfiltratedMulti-Stage ChainLowActive

LUMEN TECHNOLOGIES, INC.

bd_638aa98358421f0f · schema v1 · pii pii-v1

Severity

Low

Discovered

—

Filed

Mar 27, 2023

To disclose

—

Affected

Not disclosed

Confidence

68%

Full breach record for LUMEN TECHNOLOGIES, INC. →

Lumen Technologies disclosed two cybersecurity incidents on March 27, 2023. First, a malicious intruder inserted ransomware into servers supporting a segmented hosting service, degrading operations for a small number of enterprise customers. Second, a sophisticated intruder accessed internal IT systems, conducted reconnaissance, installed malware, and extracted a limited amount of data. The company engaged forensic firms, notified law enforcement and regulators, and implemented business continuity plans. The investigation is ongoing to determine if personally identifiable information was exfiltrated.

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Incident timeline — partial

? — ?

Breach window unknown

Mar 27, 2023

Filed

No interval is drawn: no breach start or discovery date is on record for this filing.

Tracked as a single-filing incident — the only disclosure on record for this event so far.ConfirmedView incident

Name: LUMEN TECHNOLOGIES, INC.
norm: lumen technologies
SEC CIK: 0000018926

Name: LUMEN TECHNOLOGIES, INC.
norm: lumen technologies
SEC CIK: 0000018926
Industry: Telecom & Mediallm

Discovered: —
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: —
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for Impact
Threat actor: ExternalFinancial
Regulator citations: Notified law enforcement and regulatory authorities

During the incident: Working with outside forensic firms to contain the incidents
Implementing business continuity plans to restore functionality to its customers' operational and business systems
Notified law enforcement and regulatory authorities and impacted customers
Launched investigations
Took additional steps to safeguard the Company's systems
Source: Quoted from the filing itself, not independently verified.

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filing

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statementThis record

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source URL: https://www.sec.gov/Archives/edgar/data/18926/000119312523079847/
DisclosureLens renders the full SEC/HHS filing inline below from the originating regulator’s public record (§4.5 fair report privilege).
Filed at: Mar 27, 2023
Raw hash: 03ea101cd720c23cc6ef39998a4020c19f18e00173a2da9a64de21872ce47d45

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Reporting entityLUMEN TECHNOLOGIES, INC.

Victim entityLUMEN TECHNOLOGIES, INC.

IncidentRansomware

Stated responseWorking with outside forensic firms to contain the incidents

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancewww.sec.gov

Source filing